"Morgul-rats" is a Hazard Creature, able to inflict 12 strikes. The breed is described as carrying "the stink of black sorcery in their bite". "Rats!" is a Hazard Event, forcing a player to discard a minor item of one of the characters, which also become wounded.

2000-: Lord of the Rings (board game):

"Morgul Rats" is a card (with artwork by John Howe) supplied with the Friends & Foes Expansion (2002) for the Lord of the Rings boardgame.[11]

As part of the Minas Tirith set, one hut was called the "Ratcatcher's hut", after a doodle by Alan Lee was interpreted as a rat. It was outfitted with several taxidermied rats, but was not featured prominently in the movie.[12]